metric function
英 [ˈmetrɪk ˈfʌŋkʃn]
美 [ˈmetrɪk ˈfʌŋkʃn]
网络 度量函数
英英释义
noun
- a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
双语例句
- With the best polynomial approximation as a metric, the rate of approximation of the neural networks with single hidden layer to a continuous function is estimated by using a constructive approach.
以最佳多项式逼近为度量,用构造性方法估计单隐层神经网络逼近连续函数的速度。 - This paper gives a new class of variable metric algorithm for nonlinear programing with equality and inequality constraint conditions, and proves that the algorithm in one-step superlinear convergence when the objective function and constraint functions are uniformly convex.
对带有等式和不等式约束条件的非线性规划给出一类新的变尺度算法,并证明当目标函数和约束函数一致凸时,该算法是一步超线性收敛的。 - The variable metric method for the weakly generalized Lagrange function of nonlinear programming
非线性规划弱增广Lagrange函数变度量法 - Economist and educational Economist began metric study on economic function of education after in Soviet published "Economic Meaning of National Education ( 1924)" in 1920's.
到了20世纪20年代,苏联的斯特鲁米林发表《国民教育的经济意义》(1924)之后,经济学家和教育经济学家就开始对教育经济功能进行计量研究。 - Therefore, the better adaptive margin metric ( named separation) and the fuzzy weighting technique were introduced for developing the new optimal objective function.
为此,引入一个具有更好适应性的度量(称为分离度)和模糊加权技术构造新目标函数。 - Conventional statistical clustering methods usually base on greedy principle. The common Metric for evaluating a clustering algorithm is the likelihood function or perplexity of the corpus.
传统的统计方法基于贪婪原则,常以语料的似然函数或困惑度(perplexity)作为评价标准。 - By considering a general harmonic, metric function Γ, gravitational and scalar potentials are explicitly given.
对于一般的谐和函数给出了度规函数Γ、引力势和标量势的明晰的形式。 - The Improvement of a Metric Function Form a Fixed Point to a C~ 2 Class Surface
定点到C~2类曲面距离函数的改进 - A modified constrained variable metric algorithm using l_1-penalty function as merit function
用L1-罚函数作线性搜索函数的一种修正约束变尺度算法 - In parallel genetic algorithm section, the dissertation designs a guided individual migration metric to avoid random migration between different sub-population and uses individual lifecycle function to control the whole population of parallel genetic algorithm.
在并行遗传算法方面,文章分析了个体迁移矩阵和生命周期函数,避免了定向迁移的局部性和随机迁移的盲目性并控制了种群规模。